608204621 has 2 divisors, whose sum is σ = 608204622. Its totient is φ = 608204620.

The previous prime is 608204591. The next prime is 608204629. The reversal of 608204621 is 126402806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604914025 + 3290596 = 24595^2 + 1814^2 .

It is a cyclic number.

It is not a de Polignac number, because 608204621 - 2¹⁴ = 608188237 is a prime.

It is a super-2 number, since 2×608204621² = 739825722011507282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608204629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304102310 + 304102311.

It is an arithmetic number, because the mean of its divisors is an integer number (304102311).

Almost surely, 2^608204621 is an apocalyptic number.

It is an amenable number.

608204621 is a deficient number, since it is larger than the sum of its proper divisors (1).

608204621 is an equidigital number, since it uses as much as digits as its factorization.

608204621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 608204621 is about 24661.8049015071. The cubic root of 608204621 is about 847.2597433030.

The spelling of 608204621 in words is "six hundred eight million, two hundred four thousand, six hundred twenty-one".